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Provides classes and interfaces for browsing an OLAP schema.

<p>Schemas have a hierarchical structure:
<blockquote>
<ul>
<li type="circle">{@link org.olap4j.OlapConnection}<ul>
    <li type="circle">{@link org.olap4j.metadata.Catalog}<ul>
        <li type="circle">{@link org.olap4j.metadata.Schema}<ul>
            <li type="circle">{@link org.olap4j.metadata.Cube}<ul>
                <li type="circle">{@link org.olap4j.metadata.Dimension}<ul>
                    <li type="circle">{@link org.olap4j.metadata.Hierarchy}<ul>
                        <li type="circle">{@link org.olap4j.metadata.Level}<ul>
                            <li type="circle">{@link org.olap4j.metadata.Member}</li>
                            <li type="circle">{@link org.olap4j.metadata.Property}</li>
                        </ul></li>
                    </ul></li>
                </ul></li>
            <li type="circle">{@link org.olap4j.metadata.NamedSet}</li>
            </ul></li>
        <li type="circle">Dimension (shared)</li>
        </ul></li>
    </ul></li>
 </ul>
</blockquote>
</p>

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